Abstract:
:The incidence of follicular lymphoma (FL) in industrialized countries has been increasing since the 1950s. Polymorphisms in genes encoding key enzymes controlling folate-methionine metabolism, including methylenetetrahydrofolate reductase (MTHFR), methionine synthase (MS or MTR), serine hydroxymethyltransferase (SHMT), and thymidylate synthase (TS or TYMS), modify the risk of various cancers and possibly FL. This study specifically looks for an association between MTHFR, MTR, TYMS, and SHMT polymorphisms and the risk of FL. We carried out a case-control study with 172 patients diagnosed with FL and 206 control subjects. We report that the risk of FL was doubled by the association of one mutant allele at both MTHFR polymorphisms. Individuals with MTR 2756AA had 2-fold higher risk of FL, and subjects not having at least one TYMS 2R allele showed a 2-fold higher risk of FL. The MTR 2756AA genotype conferred a greater multivariate-adjusted relative risk of FL, and the risk was multiplied by almost 5 in the TYMS2R(-)/MTR 2756AA combination. In conclusion, common polymorphisms in key enzymes of the folate-methionine metabolism pathway result in an increased risk of FL and suggest that inadequate intake of dietary folate and other methyl donor nutrients may contribute to the development of this malignancy.
journal_name
Bloodjournal_title
Bloodauthors
Niclot S,Pruvot Q,Besson C,Savoy D,Macintyre E,Salles G,Brousse N,Varet B,Landais P,Taupin P,Junien C,Baudry-Bluteau Ddoi
10.1182/blood-2005-04-1567subject
Has Abstractpub_date
2006-07-01 00:00:00pages
278-85issue
1eissn
0006-4971issn
1528-0020pii
2005-04-1567journal_volume
108pub_type
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